(i) For abutment pier to be assigned as fixed pier while the bridge is quite long, the longitudinal loads due […]
What are the advantages of assigning the central pier and the abutment as fixed piers? Read Post »
In a typical expansion joint, it normally contains the following components: joint sealant, joint filler, dowel bar, PVC dowel sleeve,
What are the functions of different components of a typical expansion joint? Read Post »
In the event of high vertical loads combined with large angle of rotations, rubber bearings are undesirable when compared with
Under what situation should engineers use pot bearings instead of elastomeric bearings? Read Post »
During prestressing operation at one end, frictional losses will occur and the prestressing force decreases along the length of tendon
In some cases, it may be due to the accumulation of dust and dirt. However, for the majority of such
For a bridge abutment to be supported on raking piles with different orientations, the movement between the ground and the
Should raking piles of a bridge abutment be placed under an embankment? Read Post »
The choice of sliding surface of bearings is of vital importance because the sliding surfaces generate frictional forces which are
Polytetrafluoroethylene (PTFE) is commonly used in sliding bearings. Why? Read Post »
To increase the strength of concrete, say from 40MPa to 80MPa, it definitely helps in improving the structural performance of
Basically, the results of compression test carried out by using cubes are higher than that by cylinders. In compression test,